Debra Messing Insta-Stalks Her Will & Grace Co-Stars

The second season of the brand new Will & Grace is back tonight. While we're waiting for big changes in Will (Eric McCormack), Grace (Debra Messing), Karen (Megan Mullally), and Jack (Sean Hayes)' lives, watch actress Messing stalk her co-stars on Instagram. What really happens when famous guest stars (hello, J.Lo and Paul McCartney!) drop in on set? How did she feel when all four were in the same room together after ten years? Who does she sing show tunes with? Find out in ELLE's Insta-stalk series.

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